Finding the Fourth Proportional to 64,789.02, 89,411.91 and 37,940.19

Step by Step Solution

1. Step 1: Write the proportion equation
   64,789.02 : 89,411.91 = 37,940.19 : x
2. Step 2: Convert to fraction form
   64,789.02/89,411.91 = 37,940.19/x
3. Step 3: Cross multiply
   64,789.02x = 89,411.91 × 37,940.19
4. Step 4: Simplify right side
   64,789.02x = 3,392,304,853.66
5. Step 5: Solve for x
   x = 3,392,304,853.66/64,789.02
6. Step 6: Final answer
   x = 52,359.26